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Table 1 Patient characteristics in this study

From: Prognostic factors affecting the risk of thoracic progression in extensive-stage small cell lung cancer

 

ES-SCLC (n = 83)

%

Age, median (range), years

71 (47–91)

 

 <75 years

60

72

 ≥75 years

23

28

Gender

  

 Male/Female

73/10

88/12

Smoking status

  

 Never

2

2

 Former/Current

49/30

59/36

 Unknown

2

2

WHO performance status

  

 0/1

11/48

13/58

 2/3/4

13/9/2

16/11/2

Size of primary tumor, median (range), cm

54 (12–108)

 

 ≤3 cm

10

12

 >3 cm

73

88

Extensive disease

  

 Intrathoracic disease

23

28

 Distant (extrathoracic) metastases

29

35

 Both

31

37

Sites of metastases

  

 Brain

3

4

 Lung

28

34

 Liver

29

35

 Adrenal grand

11

13

 Bone

25

30

 Pleural dissemination

32

39

 Othersa

25

30

Number of metastatic sites (organs)

  

 Single (1)

36

43

 Multiple (2/3/4/5)

23/17/5/2

28/20/6/2

  1. aIncluding, 10 abdominal and 4 cervical lymph nodes, 4 pancreas, 4 bone marrow, 3 soft tissue, 1 pericardia, 1 parotid, and 1 ovary metastases